IT Essentials (Version 8.0) Chapter 9 Exam Answers ITE v8.0

IT Essentials (Version 8.0) – IT Essentials 8.0 Chapter 9 Exam Answers

How to find: Press “Ctrl + F” in the browser and fill in whatever wording is in the question to find that question/answer. If the question is not here, find it in Questions Bank.

NOTE: If you have the new question on this test, please comment Question and Multiple-Choice list in form below this article. We will update answers for you in the shortest time. Thank you! We truly value your contribution to the website.

1. Which cloud model provides services for a specific organization or entity?

a community cloud
a private cloud
a public cloud
a hybrid cloud

Explanation: Private clouds are used to provide services and applications to a specific organization and may be set up within the private network of the organization or managed by an outside organization.

2. Match the definition to the type of cloud.

IT Essentials ( Version 8.0) – IT Essentials 8.0 Chapter 9 exam

built to meet a specific need. –> Community cloud
Intended for a specific organization or entity, such as the government.–> private cloud
Made up of two or more clouds connected via a single architecture –> hybrid cloud
Services made available to the general population. –> public cloud

Explanation: Public cloud services are made available to the general population. Private cloud services are intended for a specific organization or entity. A custom cloud is built to meet the needs of a specific industry. A hybrid cloud is made up of two or more clouds that are connected via a single architecture.

3. A small college wishes to deploy a learning management system (LMS) and is looking for a hosted solution. Which type of cloud-based solution would help the college to achieve the goal?

virtual application stream
Dropbox
virtual desktop infrastructure
Office 365

Explanation: The cloud-based virtual application stream, or cloud-based applications, can provide on-demand software application delivery to end users. In the case of LMS, when a user needs to use the web-based service, the user will open a client (web browser) to access the system. Minimal application code is then forwarded to the client based on the information the user needs.

4. How does virtualization help with disaster recovery within a data center?

support of live migration
guarantee of power
improvement of business practices
supply of consistent air flow

Explanation: Live migration allows moving of one virtual server to another virtual server that could be in a different location that is some distance from the original data center.

5. Which type of hypervisor would most likely be used in a data center?

Type 1
Hadoop
Nexus
Type 2

Explanation: The two type of hypervisors are Type 1 and Type 2. Type 1 hypervisors are usually used on enterprise servers. Enterprise servers rather than virtualized PCs are more likely to be in a data center.

6. A training company offers many application courses based on Windows. The company is looking for a solution to provide a hands-on learning and practice environment to remote learners. The goal is to provide a uniform learning environment to all users. Which cloud-based solution would help the company to achieve the goal?

Office 365
Google Drive
virtual application stream
virtual desktop infrastructure

Explanation: Virtual desktop infrastructure (VDI) can be used to deploy entire desktop environments from a server in a data center to clients. VDIs can be persistent, which provides the user with a customizable image that is saved for future use, or non-persistent, which reverts the image back to its initial state when a user logs out.

7. A small company is considering moving many of its data center functions to the cloud. What are three advantages of this plan? (Choose three.)

Cloud services enable the company to own and administer its own servers and storage devices.
Cloud services are billed at a fixed fee no matter how much processing and storage are used by the company.
The company does not need to be concerned about how to handle increasing data storage and processing demands with in-house data center equipment.
Single-tenant data centers can easily grow to accommodate increasing data storage requirements.
The company only needs to pay for the amount of processing and storage capacity that it uses.
The company can increase processing and storage capacity as needed and then decrease capacity when it is no longer needed.

Explanation: Cloud computing offers many advantages to the company. Since the cloud data storage and processing facilities are owned by third-parties, the company does not need to be concerned about how it will handle increasing data storage and processing demands with its own data center equipment. The company can easily increase or decrease processing power and storage capacity based on need. Also, cloud services are billed by usage, so the company does not have the costs of supporting its own expensive data center that is not always used to maximum capacity.

8. What is the main function of a hypervisor?

It is software used to coordinate and prepare data for analysis.
It is used by ISPs to monitor cloud computing resources.
It is a device that synchronizes a group of sensors.
It is a device that filters and checks security credentials.
It is used to create and manage multiple VM instances on a host machine.

Explanation: A hypervisor is a key component of virtualization. A hypervisor is often software-based and is used to create and manage multiple VM instances.

9. A software company has groups of developers located in different cities around the world. The company is using a cloud-based development environment so that all developers can access the same software development tools. Which cloud service is used by the company?

ITaaS
IaaS
SaaS
PaaS

Explanation: With PaaS (platform as a service), a cloud provider provides access to operating systems, development tools, programming languages, and libraries used to develop, test, and deliver applications.

10. What is a difference between the functions of Cloud computing and virtualization?

Cloud computing provides services on web-based access whereas virtualization provides services on data access through virtualized Internet connections.
Cloud computing separates the application from the hardware whereas virtualization separates the OS from the underlying hardware.
Cloud computing utilizes data center technology whereas virtualization is not used in data centers.
Cloud computing requires hypervisor technology whereas virtualization is a fault tolerance technology.

Explanation: Cloud computing separates the application from the hardware. Virtualization separates the OS from the underlying hardware. Virtualization is a typical component within cloud computing. Virtualization is also widely used in data centers. Although the implementation of virtualization facilitates an easy server fault tolerance setup, it is not a fault tolerance technology by design. The Internet connection from a data center or service provider needs redundant physical WAN connections to ISPs.

11. Which type of Hypervisor is implemented when a user with a laptop running the Mac OS installs a Windows virtual OS instance?

type 2
bare metal
type 1
virtual machine

Explanation: Type 2 hypervisors, also know as hosted hypervisors, are installed on top of an existing operating system, such as Mac OS, Windows, or Linux.

12. A freelance reporter wishes to use a service that allows files to be accessed at any time from any device. Whenever the reporter starts the laptop and connects to the internet, the files stored on the laptop must be synchronized with the service automatically. Which solution will meet the requirements?

Office 365
Exchange Online
virtual desktop infrastructure
Dropbox

Explanation: The service needed is a cloud-based storage solution with automatic synchronization. Dropbox is an example of such a solution. Office 365 provides cloud-based applications. Exchange Online is a cloud-based email client. A virtual desktop infrastructure provides a cloud-based virtual desktop environment.

13. An international civil engineering association has members from all over the world. The research division of the association plans to have a cloud-based service to share research ideas and to promote collaboration among members in multiple divisions of the association. Which cloud model is suitable for them?

community
public
hybrid
private

Explanation: A community cloud is a cloud service created for exclusive use by a specific community. The professional association contains members from all over the world and each of them works within the same organization.

14. Which Cloud computing service would be best for an organization that does not have the technical knowledge to host and maintain applications at their local site?

IaaS
SaaS
ITaaS
PaaS

Explanation: Software as a Service (SaaS) allows a business to host an application through a Cloud provider. The Cloud provider manages access to the application and maintains the application. The application can be utilized by any authorized device with an Internet connection.

15. Which is a characteristic of a Type 1 hypervisor?

installed on an existing operating system
does not require management console software
best suited for consumers and not for an enterprise environment
installed directly on a server

Explanation: Type 1 hypervisors are installed directly on a server and are known as “bare metal” solutions giving direct access to hardware resources. They also require a management console and are best suited for enterprise environments.

16. Which statement describes a characteristic of cloud computing?

Investment in new infrastructure is required in order to access the cloud.
Applications can be accessed over the Internet by individual users or businesses using any device, anywhere in the world.
Devices can connect to the Internet through existing electrical wiring.
A business can connect directly to the Internet without the use of an ISP.

Explanation: Cloud computing allows users to access applications, back up and store files, and perform tasks without needing additional software or servers. Cloud users access resources through subscription-based or pay-per-use services, in real time, using nothing more than a web browser.

17. What are two advantages of using PC virtualization? (Choose two.)

It boosts the performance of the host machine through virtualization.
It prevents viruses and worms from functioning in a virtualized environment.
It allows multiple operating systems to run on a single PC simultaneously.
It allows network threat identification.
It can provide cost savings.

Explanation: Benefits of virtualization include cost savings, the use of multiple operating systems on a single PC, and isolation for software testing.

18. A technician needs to use an application that is not supported by Windows operating systems on the PC. How can the technician make this application run on the PC?

Create a virtual machine with an operating system that supports the application.
Install the application in safe mode.
Use the Windows Compatibility mode.
Install the application with elevated permissions as administrator.

Explanation: Windows Compatibility mode will only allow an application to run as long as it is supported by the Windows operating system. The application cannot be installed if the operating system does not support it. It is necessary in this case to create a virtual machine with an operating system, as the guest OS, that supports the application.

19. Which technology automatically and rapidly re-configures network topologies to achieve flexible and responsive networks?

hosted hypervisor
software-defined networking
infrastructure as a service
hybrid cloud computing

Explanation: Software-defined networking automatically and rapidly re-configures networking topologies to achieve flexible and responsive networks. Hybrid cloud computing consists of two cloud types connected through a single architecture. Infrastructure provides organizations access to network equipment, virtualized network services, storage, software, and supporting network infrastructure. A hosted hypervisor is operating system-based software used on a host computer to create and manage virtual machines.

20. What technology allows users to access data anywhere and at any time?

virtualization
data analytics
micromarketing
Cloud computing

Explanation: Cloud computing allows organizations to eliminate the need for on-site IT equipment, maintenance, and management. Cloud computing allows organizations to expand their services or capabilities while avoiding the increased costs of energy and space.

21. Which two business and technical challenges does implementing virtualization within a data center help businesses to overcome? (Choose two.)

server hardware needs
operating system license requirements
virus and spyware attacks
physical footprint
power and air conditioning

Explanation: Traditionally, one server was built within one machine with one operating system. This server required power, a cool environment, and a method of backup. Virtualized servers require more robust hardware than a standard machine because a computer or server that is in a virtual machine commonly shares hardware with one or more servers and operating systems. By placing multiple servers within the same physical case, space is saved. Virtualized systems still need the proper licenses for operating systems or applications or both and still need the proper security applications and settings applied.

22. Every time a user turns on the computer in the morning, the user hears a loud clicking noise. Which device should the technician check first?

RAM
sound card
hard drive
internal speaker

Explanation: If a hard drive makes repeated clicking or tapping sounds when the computer is idle, the hard drive is failing. Make a backup and replace the drive as soon as possible. Invalid boot disk errors and files that suddenly will not open are symptoms of hard drive issues.

23. When a co-worker steps into another office, the co-worker notices that the computer is making a loud clicking noise and asks about it. The technician is contacted to investigate. Which device should the technician check first?

monitor
internal speaker
hard drive
sound card

24. While a technician is installing a printer, the technician hears a loud clicking noise. Which device should the technician check first?

RAM
power supply
motherboard
hard drive

25. A college uses virtualization technology to deploy information security courses. Some of the lab exercises involve studying the characteristics of computer viruses and worms. What is an advantage of conducting the lab exercises inside the virtualized environment as opposed to using actual PCs?

The lab exercises are performed faster inside of the virtualized environment.
The virtualization environment has better tools to develop mitigation solutions.
The viruses and worms will have limited functionality inside the virtualized environment.
Virus and worm attacks are more easily controlled in a virtualized environment, thus helping to protect the college network and its devices from attack.

Explanation: Virtualization can create a controlled environment that is isolated from external networks. Because of shared system resources, the performance inside a virtual environment will not be faster. However, the benefit is that a virtual environment provides a safe platform for information security analysis.

26. Which is a characteristic of a Type 2 hypervisor?

best suited for enterprise environments
installs directly on hardware
does not require management console software
has direct access to server hardware resources

Explanation: Type 2 hypervisors are hosted on an underlaying operating system and are best suited for consumer applications and those experimenting with virtualization. Unlike Type 1 hypervisors, Type 2 hypervisors do not require a management console and do not have direct access to hardware.

27. While working in a computer training room, the technician notices that one computer emits a loud clicking noise. Which device should the technician check first?

sound card
hard drive
internal speaker
RAM

28. A software engineer is involved in the development of an application. For usability tests, the engineer needs to make sure that the application will work in both Windows 7 and Windows 8 environments. The features and functions must be verified in the actual OS environment. The engineer is using a Windows 7 workstation. What two technologies can help the engineer achieve the usability tests? (Choose two.)

dual boot
two separate CPUs
client-side virtualization
storage redundancy
two separate hard disks

Explanation: Client-side virtualization enables a host OS to provide a virtual environment within which a guest OS can be installed and be operational as an actual OS. The dual boot configuration will provide an option to run either OS (but not both at the same time). Just using two disks is not a sufficient solution to run two separate OS.

29. True or False.
Cloud computing and virtualization are different terms that refer to the same thing.

true
false

Explanation: False. Although the terms cloud computing and virtualization are often used interchangeably, they actually mean two different things. Virtualization is a component within cloud computing that separates the operating systems from the underlying hardware, whereas cloud computing separates the application from the hardware.

30. When a user turns on a workstation, the screen displays an “Invalid Boot Disk” error. The user calls the help desk. Which device should the technician check first?

power supply
hard drive
internal speaker
sound card